In 2007, writer Carl Zimmer began noticing that more and more scientists were sporting science tattoos. Fascinated, he reached out via his blog, "The Loom," and began to receive a steady stream of tattoo imatges, along with compelling personal stories about the designs. In Science Ink, Zimmer has collected more than 300 of these thought-provoking tattoos. Expanding on the stories of each one, he deftly explores the science behind the ink and reveals the passions and obsessions of science lovers around the world.